package ssm.dao.impl;

import ssm.dao.Search;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class MediatorSearch implements Search {
    /**
     * 中介者模式
     *
     * @param conn
     * @param rs
     * @param rowsNumber
     * @throws SQLException
     */

    @Override
    public void check(Connection conn, ResultSet rs, int rowsNumber) throws SQLException {
        int count = 0;
        for (int i = 1; i <= rowsNumber; i++) { // 1st for
            rs.absolute(i);
            String rel_type = rs.getString("RelationType");
            if (rel_type.equalsIgnoreCase("inheritance")) { //1st if

                String s1 = rs.getString("SourceClass");
                String d1 = rs.getString("DestinationClass");


                for (int j = 1; j <= rowsNumber; j++) { // 2nd for
                    rs.absolute(j);
                    String rel_type2 = rs.getString("RelationType");
                    if (rel_type2.equalsIgnoreCase("REALIZATION")) { //2nd if

                        String s2 = rs.getString("SourceClass");
                        String d2 = rs.getString("DestinationClass");

                        if (!(s1.equalsIgnoreCase(s2)) && !(d1.equalsIgnoreCase(d2))) { // 3rd if

                            for (int k = 1; k <= rowsNumber; k++) { // 3rd for
                                rs.absolute(k);
                                String rel_type3 = rs.getString("RelationType");
                                if (rel_type3.equalsIgnoreCase("aggregation")) { //4th if

                                    String s3 = rs.getString("SourceClass");
                                    String d3 = rs.getString("DestinationClass");
                                    if (s3.equalsIgnoreCase(d1) && d3.equalsIgnoreCase(d2)) {//5th if

                                        for (int l = 1; l <= rowsNumber; l++) { // 4th for
                                            rs.absolute(l);
                                            String rel_type4 = rs.getString("RelationType");
                                            if (rel_type4.equalsIgnoreCase("aggregation")) { //6th if

                                                String s4 = rs.getString("SourceClass");
                                                String d4 = rs.getString("DestinationClass");
                                                if (d4.equalsIgnoreCase(s1) && s4.equalsIgnoreCase(s2) && !(s4.equalsIgnoreCase(s3)) && !(d4.equalsIgnoreCase(d3))) {//7th if
                                                    String sql2 = "INSERT INTO designs.mediator_instances    (Colleague  ,Concretecolleague,ConcreteMediator ,Mediator ) VALUES (?,?,?,?)";
                                                    PreparedStatement stmt2 = conn.prepareStatement(sql2);

                                                    stmt2.setString(1, d1);
                                                    stmt2.setString(2, s1);
                                                    stmt2.setString(3, s2);
                                                    stmt2.setString(4, d2);
                                                    int rows2 = stmt2.executeUpdate();
                                                    count += rows2;
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        System.out.println("found " + count + " Mediator");
    }
}
